he claims the company development alternatives and the u.s. government did not adequately train or disclose the risks he was taking by doing the work. >>> a call for change in the statute of limitations on sex crimes in the district. that is after dna evidence alleged two rapists can't be prosecuted because of the law. one man was arrested last week for the rape of a woman in 1999. the charges were dropped. paul wagner has the details. paul. >> reporter: in the last five months, investigators identified two cases which dna linked the suspect to a rape. only to close the file because of a statute of limitations. in the most recent case, the woman was told dna identified her attacker but she had no clue until the reporter called her and told her the charges were dropped. >> would you have come up -- >> late this afternoon, fox five spoke by phone with a woman who was attacked by a stranger along this stretch of ninth street northwest in february of 1999. >> she said police reinterview her last month after telling her of the dna connection. >> th